Ransomware Research
DRV Ransomware
DRV is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Lasan HT.
Quick Facts
- Ransomware Family
- DRV
- First Seen
- January 1, 2020
- Known Aliases
- Lasan HT
How DRV Ransomware Works
File Encryption Patterns
DRV modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lasanRansom Note and Payment Demands
After encrypting files, DRV displays ransom notes demanding payment for file recovery:
READ_ME.txtRansom message:
notes/READ_ME.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with DRV ransomware:
DRV.exe3.bin.exeInfo.exe
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About This Analysis
This DRV ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like DRV.
Last updated: July 30, 2025